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Littelfuse 591401S02F Reed Sensor

This reed sensor features a single-pole single-throw normally open contact configuration, capable of carrying up to 1.2 amps and switching voltages up to 200 VDC. It activates at approximately 0.453 inches (11.5 mm) and includes leads for straightforward connection, making it ideal for position sensing, security systems, and linear actuators. Its hermetically sealed, magnetically operated contacts ensure long-term operation even in contaminated environments, with no standby power required. Suitable for applications requiring reliable limit and position sensing with easy installation and flexible lead exit options.

Authorized Distributors
Source:DigiKey
Part No:59140-1-S-02-F
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.08
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Part No:59140-1-S-02-F
Stock:0
Inv Date:05-29-2026
Price: Unit price: $3.98
Buy/RFQ:
Part No:59140-1-S-02-F
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.54
Buy/RFQ:
Part No:59140-1-S-02-F
Stock:130
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 591401S02F Reed Sensor Specifications:

  • Contact Type: Normally Open
  • Current Rating: 1.2 A max
  • Voltage Switching: 200 VDC max
  • Activation Distance: Approximately 0.453 inches (11.5 mm)
  • Contact Resistance: 0.2 Ohms max
  • Insulation Resistance: 10^10 Ohms min
  • Temperature Operating Range: -40°C to +105°C
  • Storage Temperature Range: -65°C to +105°C
  • Time Operate: Max 1.0 ms
  • Time Release: Max 1.0 ms
  • Capacitance: 0.2 pF typical
  • Shock Resistance: 100 G for 11 ms, sine wave
  • Vibration Resistance: 30 G, 50–2000 Hz
  • Lead Exit: Directions customizable for LH or RH side
  • Hermetically Sealed: Yes, magnetically operated contacts
  • Application Suitability: Position sensing, security systems, linear actuators

Buy the Hamlin Series PCR Tek: 591401S02F

Order the Hamlin reed sensor online today to enhance your position sensing systems. With a SPST-NO contact configuration, 1.2A current capacity, and a maximum switching voltage of 200 VDC, this hermetically sealed switch ensures long-term performance even in contaminated environments. Its activation distance of approximately 0.453 inches provides precise detection for security, automation, and linear actuator applications. Easy to connect with leads exit options, this reliable sensor offers quick installation, robust operation, and excellent durability. Purchase now for dependable sensing solutions.

Get Hamlin 591401S02F today—built for precision and long-lasting durability in position and limit sensing applications.

Frequently Asked Questions

Where can I buy Littelfuse 591401S02F?

You can click on the BUY or RFQ button to purchase 591401S02F from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 591401S02F?

You can download the 591401S02F datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 591401S02F?

Littelfuse

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